ION GEOPHYSICAL CORP reports

Company Names, identifiers, and filing context for this profile. 1 identity field
Company location
Houston, TX
SEC filing record 1 source field available
Fiscal year end
31 December
ION GEOPHYSICAL CORP has filed 1,582 SEC EDGAR filings since 14 Feb 1994

SEC filing history

Showing 326-350 of 884 matching filings.

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25
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14
4

FORM 4 SUBMISSION

Filing date
02 Jun 2017
Reporting date
01 Jun 2017
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4

FORM 4 SUBMISSION

Filing date
02 Jun 2017
Reporting date
01 Jun 2017
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4

FORM 4 SUBMISSION

Filing date
02 Jun 2017
Reporting date
01 Jun 2017
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SD File 001-12691

SD

Filing date
31 May 2017
Reporting date
Not listed
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8-K File 001-12691

8-K

Filing date
18 May 2017
Reporting date
18 May 2017
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8-K File 001-12691

8-K

Filing date
17 May 2017
Reporting date
17 May 2017
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8-K File 001-12691

8-K

Filing date
04 May 2017
Reporting date
04 May 2017
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8-K File 001-12691

8-K

Filing date
02 May 2017
Reporting date
02 May 2017
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DEF 14A File 001-12691

DEF14A

Filing date
13 Apr 2017
Reporting date
17 May 2017
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4

FORM 4 SUBMISSION

Filing date
03 Mar 2017
Reporting date
01 Mar 2017
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4

FORM 4 SUBMISSION

Filing date
03 Mar 2017
Reporting date
01 Mar 2017
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4

FORM 4 SUBMISSION

Filing date
03 Mar 2017
Reporting date
01 Mar 2017
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4

FORM 4 SUBMISSION

Filing date
03 Mar 2017
Reporting date
01 Mar 2017
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4

FORM 4 SUBMISSION

Filing date
03 Mar 2017
Reporting date
01 Mar 2017
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4

FORM 4 SUBMISSION

Filing date
03 Mar 2017
Reporting date
01 Mar 2017
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
03 Mar 2017
Reporting date
01 Mar 2017
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
03 Mar 2017
Reporting date
01 Mar 2017
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
03 Mar 2017
Reporting date
01 Mar 2017
SEC evidence
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4

FORM 4 SUBMISSION

Filing date
03 Mar 2017
Reporting date
01 Mar 2017
SEC evidence
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8-K File 001-12691

8-K

Filing date
09 Feb 2017
Reporting date
06 Feb 2017
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SC 13G/A File 005-41602

SEC SCHEDULE 13G

Filing date
10 Jan 2017
Reporting date
Not listed
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SC 13G File 005-41602

SC 13G

Filing date
05 Jan 2017
Reporting date
Not listed
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8-K File 001-12691

8-K

Filing date
22 Dec 2016
Reporting date
22 Dec 2016
SEC evidence
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